Blog des Expos

Le blog des Expos est un espace de publication de billets sur l’histoire, les thèmes, les legs et les expériences des Expos. Ces textes sont écrits par le BIE ou par des contributeurs externes à l’organisation.

 

Energy efficiency: Greener City, Better Life

Energy efficiency: Greener City, Better Life

Strategically-placed vegetation can cut energy consumption by up to 50% and play a crucial role in filtering atmospheric pollutants in a city. Urban greening – planting living, green walls or roofs, wherever possible in urban spaces and cities - has become the trend for overcrowded cities, seeking to conserve energy and reduce air pollution and greenhouse gas emissions.

The concept, which has been around for over 2,000 years, combines nature and architecture, and has tremendous potential for improving energy efficiency in a city.

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Self-sufficient living: learning lessons from Oikos

Self-sufficient living: learning lessons from Oikos

Imagine a house that generates all of its own energy, collects its own water and efficiently manages its waste system - an autonomous house. The technology for such self-sufficient homes, able to meet the pressing energy demands of the future, is available today, by using a combination of alternative energy sources such as geothermal energy, solar panels, wind turbines and hydropower.

A fully functional, working model of a self-sufficient home was showcased in the Oikos pavilion (meaning “house” in Greek) at Expo 2008 Zaragoza. Putting innovative solutions to the use of reduced energy and water consumption encapsulated the theme of the Expo – “Water and Sustainable Development.”

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Unlocking hydrogen’s potential: Future Energy from fuel cells

Unlocking hydrogen’s potential: Future Energy from fuel cells

Fuel cells, a promising and virtually limitless energy source that can be used for various applications including transportation, portable appliances and stationary installations, were first discovered in 1839 by Sir William Grove. However, it is only in the past two decades that the technology has become a viable and practical solution. With water as its only by-product, fuel cell technology is in line to become one of the key next-generation solutions for Future Energy.

This forward-looking and eco-friendly technology, which involves an electrochemical process where hydrogen and oxygen are converted into water to produce electricity, was showcased at Expo 2005 Aichi in Japan via a fleet of specially designed buses.

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Six Reasons to Visit an Expo

Six Reasons to Visit an Expo

Every Expo is a one-of-a-kind experience. Yet there are things they have in common that make the case for why everyone should go to one.

With Expo 2017 Astana coming up, here are my top reasons to go:

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From Seville to Dubai: leading the way in Sustainable Architecture

From Seville to Dubai: leading the way in Sustainable Architecture

Energy consumption in buildings accounts for over one third of final energy consumption globally. The OECD estimates that buildings account for more than 40% of energy consumption in developed countries, largely through electricity use.

Fortunately, buildings have the capacity to make a significant contribution to a more sustainable future, if energy-saving methods are integrated into their design. An early example of sustainable construction was showcased at Expo 1992 Seville, which celebrates its 25th anniversary this year. The United Kingdom’s pavilion at Expo 1992 embodied the concept of energy self-sufficiency by combining avant-garde architecture with the capacity to generate renewable energy such as solar power.

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